EP1749926B1 - Dispositif de pressage - Google Patents

Dispositif de pressage Download PDF

Info

Publication number
EP1749926B1
EP1749926B1 EP06114394A EP06114394A EP1749926B1 EP 1749926 B1 EP1749926 B1 EP 1749926B1 EP 06114394 A EP06114394 A EP 06114394A EP 06114394 A EP06114394 A EP 06114394A EP 1749926 B1 EP1749926 B1 EP 1749926B1
Authority
EP
European Patent Office
Prior art keywords
press
roll
bearing
arrangement according
contact area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06114394A
Other languages
German (de)
English (en)
Other versions
EP1749926A1 (fr
Inventor
Thomas Augscheller
Peter Mirsberger
Andreas SCHÜTTE
Andreas Meschenmoser
Eckart Krägeloh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Priority to PL06114394T priority Critical patent/PL1749926T3/pl
Publication of EP1749926A1 publication Critical patent/EP1749926A1/fr
Application granted granted Critical
Publication of EP1749926B1 publication Critical patent/EP1749926B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0218—Shoe presses
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/04—Arrangements thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0226—Bearings

Definitions

  • the invention relates to a pressing arrangement for dewatering or smoothing a paper, cardboard, tissue or another fibrous web in a machine for producing and / or finishing the same with a press roll and at least one counter roll, which forms a press nip with the press roll, wherein at least one counter roll has a rotating roll shell, which is pressed by a contact pressure element, which is supported on the axis of the counter roll to the press roll and the press roll has a co-rotating axis, which is supported in bearings of support parts, such as from the document EP 134849 is known.
  • the object of the invention is therefore to ensure a simple and secure storage of the rolls.
  • the object has been achieved in that the support surface of the support parts for the respective bearing of the press roll in the region of the resulting bearing load is designed to be relatively elastic.
  • the axis of the press roller While the axis of the counter-roller is fixed to the pressing element, the axis of the press roller rotates. Because of the associated alternating bending stress, the axis of the press roll and thus their bearings are relatively large.
  • the elastic support surface is more elastic than the other peripheral region around the axis of the press roll to be supported.
  • the support part should wrap around the bearing like an elastic band, resulting in a more favorable distribution of the rolling element force.
  • the resulting bearing load or force direction results from the weight of the press roll and the pressing forces emanating from the counter roll (s).
  • the elastic support surface should extend over a circumferential region of 60 to 90 °, preferably 30 to 120 °, of the bearing of the press roll.
  • the support part In order to form an elastic bearing surface, in particular in the form of a band, it is advantageously possible for the support part to have recesses, preferably in the form of slots relative to the bearing in the region of the corresponding bearing surface.
  • the support part has elastic material in the region of the elastic support surface or is even formed by it.
  • the support member is supported at one or more fixed points on a chair or is supported by this, which lie outside the circular sector, which is formed by the axis of the press roll and the elastic support surface.
  • the increased elasticity of the support part results in the area of the support surface by the lack of support at fixed points.
  • the pressure roller should have a movable bearing, preferably arranged on the driver's side, in particular in the form of a cartridge bearing.
  • the floating bearing allows the displacement of the axis of the press roll.
  • Carblager are toroidal roller bearings with high radial load capacity, which can compensate for misalignment and axial misalignments.
  • bearings in particular the pressure roller and at least one counter roller with pressure element are supported in separate support parts and the separate support parts are connected to each other at least at one end of the roll over at least one pull rod.
  • tie rods are preferably pulled out in recesses of the support parts.
  • the tension rods should run approximately parallel to the tangent connecting the bearing housings of the press roll and the counter roll.
  • the tension rods thus run approximately in the plane of the force flow.
  • the press roll 5 forms a press nip 6 with a counter roll 6 arranged here by way of example above it.
  • This backing roll 6 has a flexible roll shell 18 made of fiber-reinforced plastic, which is pressed by a, preferably hydraulic pressing 8 with concave pressing surface, which is supported on the fixed axis 17 to the press roll 5.
  • press arrangement can also be used for smoothing.
  • the fibrous web 1 runs together with at least one water-absorbing dewatering belt 2,3,4 in the form of a press felt.
  • the press roll 5 has a rotating axis 10, which is much larger than the axis 17 of the counter roll 6 due to the greater dynamic load.
  • the bearing 9 for the axis 10 of the press roll 5 is supported on both sides each in a separate support member 16.
  • the opposing support parts 15, 16 are connected to each other at least on the leader-side roll end via two tie rods 11 each.
  • tie rods 11 are located in recesses of the support parts 15,16 and have to implement a positive connection with these at the ends thickening.
  • the tension rods 11 are in the unloaded state, i. with relieved spreader 19 and relieved pressure element 8 axially pulled out of the recesses. However, if the distance between the support parts 15, 16 is increased via the expansion element 19, then the connection via the tension rods 11 in the recesses also spans.
  • the driver side support part 15 of the backing roll 6 is smaller in size than the roll shell 18 of the backing roll 6. Thus, if necessary, the roll shell 18 can be easily pushed over the support member 15 to change.
  • tension rods 11 are inclined in the direction of the backing roll 6 to the press plane.
  • the tension rods 11 extend approximately in accordance with the, the bearing housing of the press 5 and the counter roller 6 connecting tangent 20, so that they are approximately in the plane of the circulating force flow of the two bearings 9.
  • the leader-side bearing 9 of the press roll 5 is preferably designed as a movable bearing, in particular as a high-radial-load bearing.
  • the bearing surface A of the support members 16 is designed to be relatively elastic for the respective bearing 9 of the press roll 5 in the region of the resulting bearing load 12.
  • This increased elasticity of the support member 16 ensures that more rolling elements of the bearing 9 come to bear under load. As a result, the peak load of the rolling elements decreases, resulting in a substantial extension of the life of the bearing 9.
  • the resulting bearing load 12 results from the weight of the pressure roller 5 and the pressing forces of the counter rollers 6.7.
  • the elastic support surface extends over approximately 90 ° of the bearing circumference.
  • the elasticity of the bearing surface A can be increased by a recess 13 in the form of a slot extending in the circumferential direction relative to the bearing 9 in the support part 16.
  • the press roll 5 still forms an indicated, cylindrical counter roll 7, a further press nip.
  • FIG. 2 Another form will be in FIG. 2 shown.
  • the support part 16 of the press roll 5 is supported outside of the circular sector, which is formed by the axis 10 of the press roll 5 and the elastic support surface A, on both sides via a fixed points 14 in the form of a support on a stiffening of the press arrangement.
  • the support member 16 between these fixed points 14 is sufficiently yielding to be able to form the desired support surface A.
  • press assembly has 4 press nips, wherein the fourth press nip in addition to the press arrangement of FIG. 1 is formed between two counter-rollers 7.
  • the support member 16 of the press roll 5 is supported by a side lever of the stiffener forming the fixed point 14.

Landscapes

  • Paper (AREA)
  • Press Drives And Press Lines (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Finger-Pressure Massage (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Glass Compositions (AREA)

Claims (11)

  1. Dispositif de pressage pour le séchage ou le lissage d'une bande de papier, de carton, d'essuie-tout ou d'une autre bande de matière fibreuse (1) dans une machine pour la fabrication et/ou le traitement d'une telle bande, avec un rouleau presseur (5) et au moins un rouleau d'appui (6, 7), qui forme chaque fois une fente de pressage avec le rouleau presseur (5), dans lequel au moins un rouleau d'appui (6) possède une enveloppe de rouleau tournante (18), qui est pressée sur le rouleau presseur (5) par un élément de pressage (8) qui s'appuie sur l'axe (17) du rouleau d'appui (6), et le rouleau presseur (5) présente un axe tournant solidairement (10), qui est appuyé dans des paliers (9) de pièces de support (16), caractérisé en ce que la face d'appui (A) des pièces de support (16) pour le palier respectif (9) du rouleau presseur (5) est relativement élastique dans la région de la charge de palier résultante (12), de telle manière que la face d'appui (A) soit plus élastique que l'autre zone périphérique autour de l'axe à supporter (10) du rouleau presseur (5).
  2. Dispositif de pressage selon la revendication 1, caractérisé en ce que la face d'appui élastique (A) s'étend sur une zone périphérique de 60 à 90°, de préférence de 30 à 120°.
  3. Dispositif de pressage selon la revendication 1 ou 2, caractérisé en ce que la pièce de support (16) présente, pour la réalisation d'une face d'appui élastique (A), des évidements (13), de préférence en forme de fentes en face du palier (9) dans la région de la face d'appui correspondante (A).
  4. Dispositif de pressage selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce de support (16) présente une matière élastique dans la région de la face d'appui élastique (A).
  5. Dispositif de pressage selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce de support (16) s'appuie en un ou plusieurs points fixes (14) sur une chaise ou est supportée par celle-ci, qui sont situés à l'extérieur du secteur circulaire qui est formé par l'axe (10) du rouleau presseur (5) et la face d'appui élastique (A).
  6. Dispositif de pressage selon l'une quelconque des revendications précédentes, caractérisé en ce que le rouleau presseur (5) possède un palier libre (9), disposé de préférence du côté conducteur, en particulier sous la forme d'un Carblager.
  7. Dispositif de pressage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un rouleau d'appui (6) possède une enveloppe flexible (18) et l'élément de pressage (8) présente une surface de pressage concave pour former une fente de pressage prolongée.
  8. Dispositif de pressage selon l'une quelconque des revendications précédentes, caractérisé en ce que les paliers (9) du rouleau presseur (5) et les paliers d'au moins un rouleau d'appui (6) s'appuient avec un élément de pressage (8) dans des pièces de support séparées (15, 16).
  9. Dispositif de pressage selon la revendication 8, caractérisé en ce que les pièces de support séparées (15, 16) sont reliées l'une à l'autre au moins à une extrémité de rouleau au moyen d'au moins un tirant (11).
  10. Dispositif de pressage selon la revendication 9, caractérisé en ce que les pièces de support (15, 16) sont reliées l'une à l'autre au moyen d'au moins deux tirants (11).
  11. Dispositif de pressage selon la revendication 10, caractérisé en ce que les tirants (11) sont approximativement parallèles à la tangente (20) reliant les boîtiers de palier du rouleau presseur (5) et du rouleau d'appui (6).
EP06114394A 2005-08-03 2006-05-23 Dispositif de pressage Not-in-force EP1749926B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06114394T PL1749926T3 (pl) 2005-08-03 2006-05-23 Układ dociskowy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005036455A DE102005036455A1 (de) 2005-08-03 2005-08-03 Pressanordnung

Publications (2)

Publication Number Publication Date
EP1749926A1 EP1749926A1 (fr) 2007-02-07
EP1749926B1 true EP1749926B1 (fr) 2009-08-05

Family

ID=37323332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06114394A Not-in-force EP1749926B1 (fr) 2005-08-03 2006-05-23 Dispositif de pressage

Country Status (4)

Country Link
EP (1) EP1749926B1 (fr)
AT (1) ATE438758T1 (fr)
DE (2) DE102005036455A1 (fr)
PL (1) PL1749926T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011003970A1 (de) 2011-02-11 2012-08-16 Voith Patent Gmbh Blattbildungsvorrichtung
DE102011005747A1 (de) 2011-03-18 2012-09-20 Voith Patent Gmbh Blattbindungsvorrichtung
DE102011081239A1 (de) 2011-08-19 2013-02-21 Voith Patent Gmbh Blattbildungsvorrichtung
WO2013041341A1 (fr) 2011-09-23 2013-03-28 Voith Patent Gmbh Dispositif de formation de feuille pour machine destinée à fabriquer une bande de matière fibreuse composée d'au moins deux suspensions de matière fibreuse
DE102011083367A1 (de) 2011-09-26 2013-03-28 Voith Patent Gmbh Former für eine Maschine zur Herstellung einer Faserstoffbahn aus wenigstens einer Faserstoffsuspension

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19944652B4 (de) * 1999-09-17 2005-08-25 Skf Gmbh Verfahren zum Betreiben einer Walzenanordnung und Lageranordnung für eine Walzenanordnung
DE10128863A1 (de) * 2001-06-15 2002-12-19 Ina Schaeffler Kg Anordnung zum Lagern einer Biegerolle
DE10209267A1 (de) * 2002-03-01 2003-09-11 Voith Paper Patent Gmbh Pressanordnung

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011003970A1 (de) 2011-02-11 2012-08-16 Voith Patent Gmbh Blattbildungsvorrichtung
WO2012107117A1 (fr) 2011-02-11 2012-08-16 Voith Patent Gmbh Dispositif de formation de feuille
DE102011005747A1 (de) 2011-03-18 2012-09-20 Voith Patent Gmbh Blattbindungsvorrichtung
WO2012126875A1 (fr) 2011-03-18 2012-09-27 Voith Patent Gmbh Dispositif de mise en feuille
DE102011081239A1 (de) 2011-08-19 2013-02-21 Voith Patent Gmbh Blattbildungsvorrichtung
WO2013041341A1 (fr) 2011-09-23 2013-03-28 Voith Patent Gmbh Dispositif de formation de feuille pour machine destinée à fabriquer une bande de matière fibreuse composée d'au moins deux suspensions de matière fibreuse
DE102011083308A1 (de) 2011-09-23 2013-03-28 Voith Patent Gmbh Blattbildungsvorrichtung für eine Maschine zur Herstellung einer Faserstoffbahn aus wenigstens einer Faserstoffsuspension
DE102011083367A1 (de) 2011-09-26 2013-03-28 Voith Patent Gmbh Former für eine Maschine zur Herstellung einer Faserstoffbahn aus wenigstens einer Faserstoffsuspension

Also Published As

Publication number Publication date
DE102005036455A1 (de) 2007-02-08
PL1749926T3 (pl) 2010-01-29
ATE438758T1 (de) 2009-08-15
DE502006004426D1 (de) 2009-09-17
EP1749926A1 (fr) 2007-02-07

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